The most common form of despair is not being who you are.
The pursuit of knowledge is endless, and that’s what makes it exciting.
——在遗嘱上签名,稍休后说几句话勉励各同志,1925年3月11日
"Every line you draw is a decision, and every decision tells a story."
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.